Lenskart — Not received refund

Respected sir / madam
i have orderd a product from lenskart and then applied for return.
pick up has been done on 31/05/23 but not received refund till now,
today one customer support member called me and told that it's taking time to refund the amount in account . instead o[censored]pi they are forcing me to refund my money as store credit.
please help me to get my money back in original payment source.